Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444156 | Method of manufacturing gel candles having non-metal core wicks | Ralph Schwarz, Michael J. Rohrer | 2002-09-03 |
| 6216022 | Implantable optical measurement device and method for using same | Steven P. Tyrrell | 2001-04-10 |